import redis.clients.jedis.Jedis;
import redis.clients.jedis.JedisPool;

import java.util.List;

public class RedisDemoList {
    public static void test1(Jedis jedis) {
        System.out.println("lpush 和 lrange");
        jedis.flushAll();

        jedis.lpush("key", "111","222","333");

        List<String> result = jedis.lrange("key",0,-1);
        System.out.println(result);
    }

    public static void test2(Jedis jedis) {
        System.out.println("rpush");
        jedis.flushAll();

        jedis.rpush("key", "111","222","333");
        List<String> result = jedis.lrange("key",0,-1);
        System.out.println(result);
    }

    public static void test3(Jedis jedis) {
        System.out.println("lpop");
        jedis.flushAll();

        jedis.rpush("key", "111","222","333");
        String result = jedis.lpop("key");
        System.out.println(result);

        result = jedis.lpop("key");
        System.out.println(result);

        result = jedis.lpop("key");
        System.out.println(result);

        result = jedis.lpop("key");
        System.out.println(result);
    }

    public static void test4(Jedis jedis) {
        System.out.println("rpop");
        jedis.flushAll();

        jedis.rpush("key", "111","222","333");
        String result = jedis.rpop("key");
        System.out.println(result);

        result = jedis.rpop("key");
        System.out.println(result);

        result = jedis.rpop("key");
        System.out.println(result);

        result = jedis.rpop("key");
        System.out.println(result);
    }

    public static void test5(Jedis jedis) {
        System.out.println("blpop");
        jedis.flushAll();

        // 返回结果是一个“二元组”，一个是从哪个key 对应的list 中删除的，一个是删除的元素是什么
        List<String> result = jedis.blpop(100,"key");
        System.out.println("result[0]: " + result.get(0));
        System.out.println("result[1]: " + result.get(1));
    }

    public static void test6(Jedis jedis) {
        System.out.println("llen");
        jedis.flushAll();

        jedis.rpush("key", "111","222","333");
        long result = jedis.llen("key");
        System.out.println("len: " + result);
    }

    public static void main(String[] args) {
        JedisPool jedisPool = new JedisPool("tcp://127.0.0.1:8888");
        try (Jedis jedis = jedisPool.getResource()) {
            test6(jedis);
        }
    }
}
